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mirror of https://github.com/systemd/systemd.git synced 2024-12-23 21:35:11 +03:00

networkctl: split networkctl.c into small pieces

No functional change, just refactoring.
This commit is contained in:
Yu Watanabe 2024-08-21 15:31:57 +09:00
parent 148b16cb2a
commit 1bf49198b5
26 changed files with 3176 additions and 2972 deletions

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@ -116,7 +116,18 @@ systemd_networkd_wait_online_sources = files(
networkctl_sources = files(
'networkctl.c',
'networkctl-config-file.c'
'networkctl-address-label.c',
'networkctl-config-file.c',
'networkctl-description.c',
'networkctl-dump-util.c',
'networkctl-journal.c',
'networkctl-link-info.c',
'networkctl-list.c',
'networkctl-lldp.c',
'networkctl-misc.c',
'networkctl-status-link.c',
'networkctl-status-system.c',
'networkctl-util.c',
)
network_generator_sources = files(

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@ -0,0 +1,100 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <linux/if_addrlabel.h>
#include "sd-netlink.h"
#include "format-table.h"
#include "in-addr-util.h"
#include "networkctl.h"
#include "networkctl-address-label.h"
static int dump_address_labels(sd_netlink *rtnl) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
TableCell *cell;
int r;
assert(rtnl);
r = sd_rtnl_message_new_addrlabel(rtnl, &req, RTM_GETADDRLABEL, 0, AF_INET6);
if (r < 0)
return log_error_errno(r, "Could not allocate RTM_GETADDRLABEL message: %m");
r = sd_netlink_message_set_request_dump(req, true);
if (r < 0)
return r;
r = sd_netlink_call(rtnl, req, 0, &reply);
if (r < 0)
return r;
table = table_new("label", "prefix/prefixlen");
if (!table)
return log_oom();
if (arg_full)
table_set_width(table, 0);
r = table_set_sort(table, (size_t) 0);
if (r < 0)
return r;
assert_se(cell = table_get_cell(table, 0, 0));
(void) table_set_align_percent(table, cell, 100);
(void) table_set_ellipsize_percent(table, cell, 100);
assert_se(cell = table_get_cell(table, 0, 1));
(void) table_set_align_percent(table, cell, 100);
for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) {
struct in6_addr prefix;
uint8_t prefixlen;
uint32_t label;
r = sd_netlink_message_get_errno(m);
if (r < 0) {
log_error_errno(r, "Failed to get netlink message, ignoring: %m");
continue;
}
r = sd_netlink_message_read_u32(m, IFAL_LABEL, &label);
if (r < 0 && r != -ENODATA) {
log_error_errno(r, "Could not read IFAL_LABEL, ignoring: %m");
continue;
}
r = sd_netlink_message_read_in6_addr(m, IFAL_ADDRESS, &prefix);
if (r < 0)
continue;
r = sd_rtnl_message_addrlabel_get_prefixlen(m, &prefixlen);
if (r < 0)
continue;
r = table_add_cell(table, NULL, TABLE_UINT32, &label);
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%s/%u", IN6_ADDR_TO_STRING(&prefix), prefixlen);
if (r < 0)
return table_log_add_error(r);
}
r = table_print(table, NULL);
if (r < 0)
return table_log_print_error(r);
return 0;
}
int list_address_labels(int argc, char *argv[], void *userdata) {
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
int r;
r = sd_netlink_open(&rtnl);
if (r < 0)
return log_error_errno(r, "Failed to connect to netlink: %m");
return dump_address_labels(rtnl);
}

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@ -0,0 +1,4 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int list_address_labels(int argc, char *argv[], void *userdata);

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@ -17,6 +17,7 @@
#include "netlink-util.h"
#include "networkctl.h"
#include "networkctl-config-file.h"
#include "networkctl-util.h"
#include "pager.h"
#include "path-lookup.h"
#include "path-util.h"

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@ -0,0 +1,140 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "alloc-util.h"
#include "bus-error.h"
#include "bus-locator.h"
#include "bus-util.h"
#include "glob-util.h"
#include "json-util.h"
#include "networkctl.h"
#include "networkctl-description.h"
#include "networkctl-util.h"
#include "stdio-util.h"
#include "strv.h"
static int get_description(sd_bus *bus, sd_json_variant **ret) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *text;
int r;
assert(bus);
assert(ret);
r = bus_call_method(bus, bus_network_mgr, "Describe", &error, &reply, NULL);
if (r < 0)
return log_error_errno(r, "Failed to get description: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "s", &text);
if (r < 0)
return bus_log_parse_error(r);
r = sd_json_parse(text, 0, ret, NULL, NULL);
if (r < 0)
return log_error_errno(r, "Failed to parse JSON: %m");
return 0;
}
static int dump_manager_description(sd_bus *bus) {
_cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
int r;
assert(bus);
r = get_description(bus, &v);
if (r < 0)
return r;
sd_json_variant_dump(v, arg_json_format_flags, NULL, NULL);
return 0;
}
static int dump_link_description(sd_bus *bus, char * const *patterns) {
_cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
_cleanup_free_ bool *matched_patterns = NULL;
sd_json_variant *i;
size_t c = 0;
int r;
assert(bus);
assert(patterns);
r = get_description(bus, &v);
if (r < 0)
return r;
matched_patterns = new0(bool, strv_length(patterns));
if (!matched_patterns)
return log_oom();
JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(v, "Interfaces")) {
char ifindex_str[DECIMAL_STR_MAX(int64_t)];
const char *name;
int64_t index;
size_t pos;
name = sd_json_variant_string(sd_json_variant_by_key(i, "Name"));
index = sd_json_variant_integer(sd_json_variant_by_key(i, "Index"));
xsprintf(ifindex_str, "%" PRIi64, index);
if (!strv_fnmatch_full(patterns, ifindex_str, 0, &pos) &&
!strv_fnmatch_full(patterns, name, 0, &pos)) {
bool match = false;
sd_json_variant *a;
JSON_VARIANT_ARRAY_FOREACH(a, sd_json_variant_by_key(i, "AlternativeNames"))
if (strv_fnmatch_full(patterns, sd_json_variant_string(a), 0, &pos)) {
match = true;
break;
}
if (!match)
continue;
}
matched_patterns[pos] = true;
sd_json_variant_dump(i, arg_json_format_flags, NULL, NULL);
c++;
}
/* Look if we matched all our arguments that are not globs. It is OK for a glob to match
* nothing, but not for an exact argument. */
for (size_t pos = 0; pos < strv_length(patterns); pos++) {
if (matched_patterns[pos])
continue;
if (string_is_glob(patterns[pos]))
log_debug("Pattern \"%s\" doesn't match any interface, ignoring.",
patterns[pos]);
else
return log_error_errno(SYNTHETIC_ERRNO(ENODEV),
"Interface \"%s\" not found.", patterns[pos]);
}
if (c == 0)
log_warning("No interfaces matched.");
return 0;
}
int dump_description(int argc, char *argv[]) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
if (arg_json_format_flags == SD_JSON_FORMAT_OFF)
return 0;
r = acquire_bus(&bus);
if (r < 0)
return r;
if (arg_all || argc <= 1)
r = dump_manager_description(bus);
else
r = dump_link_description(bus, strv_skip(argv, 1));
if (r < 0)
return r;
return 1; /* done */
}

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@ -0,0 +1,4 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int dump_description(int argc, char *argv[]);

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@ -0,0 +1,242 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "format-util.h"
#include "in-addr-util.h"
#include "local-addresses.h"
#include "networkctl-dump-util.h"
#include "stdio-util.h"
#include "strv.h"
int dump_list(Table *table, const char *key, char * const *l) {
int r;
assert(table);
assert(key);
if (strv_isempty(l))
return 0;
r = table_add_many(table,
TABLE_FIELD, key,
TABLE_STRV, l);
if (r < 0)
return table_log_add_error(r);
return 0;
}
/* IEEE Organizationally Unique Identifier vendor string */
int ieee_oui(sd_hwdb *hwdb, const struct ether_addr *mac, char **ret) {
_cleanup_free_ char *desc = NULL;
const char *description;
char modalias[STRLEN("OUI:XXYYXXYYXXYY") + 1];
int r;
assert(ret);
if (!hwdb || !mac)
return -EINVAL;
/* skip commonly misused 00:00:00 (Xerox) prefix */
if (memcmp(mac, "\0\0\0", 3) == 0)
return -EINVAL;
xsprintf(modalias, "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac));
r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description);
if (r < 0)
return r;
desc = strdup(description);
if (!desc)
return -ENOMEM;
*ret = TAKE_PTR(desc);
return 0;
}
static int get_gateway_description(
sd_netlink *rtnl,
sd_hwdb *hwdb,
int ifindex,
int family,
union in_addr_union *gateway,
char **ret) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
int r;
assert(rtnl);
assert(ifindex >= 0);
assert(IN_SET(family, AF_INET, AF_INET6));
assert(gateway);
assert(ret);
r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family);
if (r < 0)
return r;
r = sd_netlink_message_set_request_dump(req, true);
if (r < 0)
return r;
r = sd_netlink_call(rtnl, req, 0, &reply);
if (r < 0)
return r;
for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) {
union in_addr_union gw = IN_ADDR_NULL;
struct ether_addr mac = ETHER_ADDR_NULL;
uint16_t type;
int ifi, fam;
r = sd_netlink_message_get_errno(m);
if (r < 0) {
log_error_errno(r, "Failed to get netlink message, ignoring: %m");
continue;
}
r = sd_netlink_message_get_type(m, &type);
if (r < 0) {
log_error_errno(r, "Failed to get netlink message type, ignoring: %m");
continue;
}
if (type != RTM_NEWNEIGH) {
log_error("Got unexpected netlink message type %u, ignoring.", type);
continue;
}
r = sd_rtnl_message_neigh_get_family(m, &fam);
if (r < 0) {
log_error_errno(r, "Failed to get rtnl family, ignoring: %m");
continue;
}
if (fam != family) {
log_error("Got invalid rtnl family %d, ignoring.", fam);
continue;
}
r = sd_rtnl_message_neigh_get_ifindex(m, &ifi);
if (r < 0) {
log_error_errno(r, "Failed to get rtnl ifindex, ignoring: %m");
continue;
}
if (ifindex > 0 && ifi != ifindex)
continue;
switch (fam) {
case AF_INET:
r = sd_netlink_message_read_in_addr(m, NDA_DST, &gw.in);
if (r < 0)
continue;
break;
case AF_INET6:
r = sd_netlink_message_read_in6_addr(m, NDA_DST, &gw.in6);
if (r < 0)
continue;
break;
default:
assert_not_reached();
}
if (!in_addr_equal(fam, &gw, gateway))
continue;
r = sd_netlink_message_read(m, NDA_LLADDR, sizeof(mac), &mac);
if (r < 0)
continue;
r = ieee_oui(hwdb, &mac, ret);
if (r < 0)
continue;
return 0;
}
return -ENODATA;
}
int dump_gateways(sd_netlink *rtnl, sd_hwdb *hwdb, Table *table, int ifindex) {
_cleanup_free_ struct local_address *local_addrs = NULL;
_cleanup_strv_free_ char **buf = NULL;
int r, n;
assert(rtnl);
assert(table);
n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local_addrs);
if (n <= 0)
return n;
FOREACH_ARRAY(local, local_addrs, n) {
_cleanup_free_ char *description = NULL;
r = get_gateway_description(rtnl, hwdb, local->ifindex, local->family, &local->address, &description);
if (r < 0)
log_debug_errno(r, "Could not get description of gateway, ignoring: %m");
/* Show interface name for the entry if we show entries for all interfaces */
r = strv_extendf(&buf, "%s%s%s%s%s%s",
IN_ADDR_TO_STRING(local->family, &local->address),
description ? " (" : "",
strempty(description),
description ? ")" : "",
ifindex <= 0 ? " on " : "",
ifindex <= 0 ? FORMAT_IFNAME_FULL(local->ifindex, FORMAT_IFNAME_IFINDEX_WITH_PERCENT) : "");
if (r < 0)
return log_oom();
}
return dump_list(table, "Gateway", buf);
}
int dump_addresses(
sd_netlink *rtnl,
sd_dhcp_lease *lease,
Table *table,
int ifindex) {
_cleanup_free_ struct local_address *local_addrs = NULL;
_cleanup_strv_free_ char **buf = NULL;
struct in_addr dhcp4_address = {};
int r, n;
assert(rtnl);
assert(table);
n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local_addrs);
if (n <= 0)
return n;
if (lease)
(void) sd_dhcp_lease_get_address(lease, &dhcp4_address);
FOREACH_ARRAY(local, local_addrs, n) {
struct in_addr server_address;
bool dhcp4 = false;
if (local->family == AF_INET && in4_addr_equal(&local->address.in, &dhcp4_address))
dhcp4 = sd_dhcp_lease_get_server_identifier(lease, &server_address) >= 0;
r = strv_extendf(&buf, "%s%s%s%s%s%s",
IN_ADDR_TO_STRING(local->family, &local->address),
dhcp4 ? " (DHCPv4 via " : "",
dhcp4 ? IN4_ADDR_TO_STRING(&server_address) : "",
dhcp4 ? ")" : "",
ifindex <= 0 ? " on " : "",
ifindex <= 0 ? FORMAT_IFNAME_FULL(local->ifindex, FORMAT_IFNAME_IFINDEX_WITH_PERCENT) : "");
if (r < 0)
return log_oom();
}
return dump_list(table, "Address", buf);
}

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@ -0,0 +1,14 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "sd-dhcp-lease.h"
#include "sd-hwdb.h"
#include "sd-netlink.h"
#include "ether-addr-util.h"
#include "format-table.h"
int dump_list(Table *table, const char *key, char * const *l);
int ieee_oui(sd_hwdb *hwdb, const struct ether_addr *mac, char **ret);
int dump_gateways(sd_netlink *rtnl, sd_hwdb *hwdb, Table *table, int ifindex);
int dump_addresses(sd_netlink *rtnl, sd_dhcp_lease *lease, Table *table, int ifindex);

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@ -0,0 +1,62 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "journal-internal.h"
#include "logs-show.h"
#include "networkctl.h"
#include "networkctl-journal.h"
#include "terminal-util.h"
static OutputFlags get_output_flags(void) {
return
arg_all * OUTPUT_SHOW_ALL |
(arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
colors_enabled() * OUTPUT_COLOR;
}
int show_logs(int ifindex, const char *ifname) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
int r;
assert(ifindex == 0 || ifname);
if (arg_lines == 0)
return 0;
r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY | SD_JOURNAL_ASSUME_IMMUTABLE);
if (r < 0)
return log_error_errno(r, "Failed to open journal: %m");
r = add_match_this_boot(j, NULL);
if (r < 0)
return log_error_errno(r, "Failed to add boot matches: %m");
if (ifindex > 0) {
(void) (
(r = journal_add_matchf(j, "_KERNEL_DEVICE=n%i", ifindex)) || /* kernel */
(r = sd_journal_add_disjunction(j)) ||
(r = journal_add_match_pair(j, "INTERFACE", ifname)) || /* networkd */
(r = sd_journal_add_disjunction(j)) ||
(r = journal_add_match_pair(j, "DEVICE", ifname)) /* udevd */
);
if (r < 0)
return log_error_errno(r, "Failed to add link matches: %m");
} else {
r = add_matches_for_unit(j, "systemd-networkd.service");
if (r < 0)
return log_error_errno(r, "Failed to add unit matches: %m");
r = add_matches_for_unit(j, "systemd-networkd-wait-online.service");
if (r < 0)
return log_error_errno(r, "Failed to add unit matches: %m");
}
return show_journal(
stdout,
j,
OUTPUT_SHORT,
0,
0,
arg_lines,
get_output_flags() | OUTPUT_BEGIN_NEWLINE,
NULL);
}

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@ -0,0 +1,4 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int show_logs(int ifindex, const char *ifname);

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@ -0,0 +1,428 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <linux/if_tunnel.h>
#include "bus-common-errors.h"
#include "bus-error.h"
#include "bus-util.h"
#include "device-util.h"
#include "fd-util.h"
#include "glob-util.h"
#include "netlink-util.h"
#include "networkctl-link-info.h"
#include "networkctl-util.h"
#include "sort-util.h"
#include "strv.h"
#include "strxcpyx.h"
#include "wifi-util.h"
/* use 128 kB for receive socket kernel queue, we shouldn't need more here */
#define RCVBUF_SIZE (128*1024)
LinkInfo* link_info_array_free(LinkInfo *array) {
for (unsigned i = 0; array && array[i].needs_freeing; i++) {
sd_device_unref(array[i].sd_device);
free(array[i].netdev_kind);
free(array[i].ssid);
free(array[i].qdisc);
strv_free(array[i].alternative_names);
}
return mfree(array);
}
static int link_info_compare(const LinkInfo *a, const LinkInfo *b) {
return CMP(a->ifindex, b->ifindex);
}
static int decode_netdev(sd_netlink_message *m, LinkInfo *info) {
int r;
assert(m);
assert(info);
r = sd_netlink_message_enter_container(m, IFLA_LINKINFO);
if (r < 0)
return r;
r = sd_netlink_message_read_string_strdup(m, IFLA_INFO_KIND, &info->netdev_kind);
if (r < 0) {
(void) sd_netlink_message_exit_container(m);
return r;
}
r = sd_netlink_message_enter_container(m, IFLA_INFO_DATA);
if (r < 0)
return r;
if (streq(info->netdev_kind, "bridge")) {
(void) sd_netlink_message_read_u32(m, IFLA_BR_FORWARD_DELAY, &info->forward_delay);
(void) sd_netlink_message_read_u32(m, IFLA_BR_HELLO_TIME, &info->hello_time);
(void) sd_netlink_message_read_u32(m, IFLA_BR_MAX_AGE, &info->max_age);
(void) sd_netlink_message_read_u32(m, IFLA_BR_AGEING_TIME, &info->ageing_time);
(void) sd_netlink_message_read_u32(m, IFLA_BR_STP_STATE, &info->stp_state);
(void) sd_netlink_message_read_u32(m, IFLA_BRPORT_COST, &info->cost);
(void) sd_netlink_message_read_u16(m, IFLA_BR_PRIORITY, &info->priority);
(void) sd_netlink_message_read_u8(m, IFLA_BR_MCAST_IGMP_VERSION, &info->mcast_igmp_version);
(void) sd_netlink_message_read_u8(m, IFLA_BRPORT_STATE, &info->port_state);
if (sd_netlink_message_read_u32(m, IFLA_BR_FDB_MAX_LEARNED, &info->fdb_max_learned) >= 0 &&
sd_netlink_message_read_u32(m, IFLA_BR_FDB_N_LEARNED, &info->fdb_n_learned) >= 0)
info->has_fdb_learned = true;
} if (streq(info->netdev_kind, "bond")) {
(void) sd_netlink_message_read_u8(m, IFLA_BOND_MODE, &info->mode);
(void) sd_netlink_message_read_u32(m, IFLA_BOND_MIIMON, &info->miimon);
(void) sd_netlink_message_read_u32(m, IFLA_BOND_DOWNDELAY, &info->downdelay);
(void) sd_netlink_message_read_u32(m, IFLA_BOND_UPDELAY, &info->updelay);
} else if (streq(info->netdev_kind, "vxlan")) {
(void) sd_netlink_message_read_u32(m, IFLA_VXLAN_ID, &info->vxlan_info.vni);
r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_GROUP, &info->vxlan_info.group.in);
if (r >= 0)
info->vxlan_info.group_family = AF_INET;
else {
r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_GROUP6, &info->vxlan_info.group.in6);
if (r >= 0)
info->vxlan_info.group_family = AF_INET6;
}
r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_LOCAL, &info->vxlan_info.local.in);
if (r >= 0)
info->vxlan_info.local_family = AF_INET;
else {
r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_LOCAL6, &info->vxlan_info.local.in6);
if (r >= 0)
info->vxlan_info.local_family = AF_INET6;
}
(void) sd_netlink_message_read_u32(m, IFLA_VXLAN_LINK, &info->vxlan_info.link);
(void) sd_netlink_message_read_u16(m, IFLA_VXLAN_PORT, &info->vxlan_info.dest_port);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_PROXY, &info->vxlan_info.proxy);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_LEARNING, &info->vxlan_info.learning);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_RSC, &info->vxlan_info.rsc);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_L3MISS, &info->vxlan_info.l3miss);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_L2MISS, &info->vxlan_info.l2miss);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_TOS, &info->vxlan_info.tos);
(void) sd_netlink_message_read_u8(m, IFLA_VXLAN_TTL, &info->vxlan_info.ttl);
} else if (streq(info->netdev_kind, "vlan"))
(void) sd_netlink_message_read_u16(m, IFLA_VLAN_ID, &info->vlan_id);
else if (STR_IN_SET(info->netdev_kind, "ipip", "sit")) {
(void) sd_netlink_message_read_in_addr(m, IFLA_IPTUN_LOCAL, &info->local.in);
(void) sd_netlink_message_read_in_addr(m, IFLA_IPTUN_REMOTE, &info->remote.in);
} else if (streq(info->netdev_kind, "geneve")) {
(void) sd_netlink_message_read_u32(m, IFLA_GENEVE_ID, &info->vni);
r = sd_netlink_message_read_in_addr(m, IFLA_GENEVE_REMOTE, &info->remote.in);
if (r >= 0)
info->has_tunnel_ipv4 = true;
else
(void) sd_netlink_message_read_in6_addr(m, IFLA_GENEVE_REMOTE6, &info->remote.in6);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TTL, &info->ttl);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TTL_INHERIT, &info->inherit);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TOS, &info->tos);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_DF, &info->df);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_CSUM, &info->csum);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, &info->csum6_tx);
(void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, &info->csum6_rx);
(void) sd_netlink_message_read_u16(m, IFLA_GENEVE_PORT, &info->tunnel_port);
(void) sd_netlink_message_read_u32(m, IFLA_GENEVE_LABEL, &info->label);
} else if (STR_IN_SET(info->netdev_kind, "gre", "gretap", "erspan")) {
(void) sd_netlink_message_read_in_addr(m, IFLA_GRE_LOCAL, &info->local.in);
(void) sd_netlink_message_read_in_addr(m, IFLA_GRE_REMOTE, &info->remote.in);
} else if (STR_IN_SET(info->netdev_kind, "ip6gre", "ip6gretap", "ip6erspan")) {
(void) sd_netlink_message_read_in6_addr(m, IFLA_GRE_LOCAL, &info->local.in6);
(void) sd_netlink_message_read_in6_addr(m, IFLA_GRE_REMOTE, &info->remote.in6);
} else if (streq(info->netdev_kind, "vti")) {
(void) sd_netlink_message_read_in_addr(m, IFLA_VTI_LOCAL, &info->local.in);
(void) sd_netlink_message_read_in_addr(m, IFLA_VTI_REMOTE, &info->remote.in);
} else if (streq(info->netdev_kind, "vti6")) {
(void) sd_netlink_message_read_in6_addr(m, IFLA_VTI_LOCAL, &info->local.in6);
(void) sd_netlink_message_read_in6_addr(m, IFLA_VTI_REMOTE, &info->remote.in6);
} else if (STR_IN_SET(info->netdev_kind, "macvlan", "macvtap"))
(void) sd_netlink_message_read_u32(m, IFLA_MACVLAN_MODE, &info->macvlan_mode);
else if (streq(info->netdev_kind, "ipvlan")) {
(void) sd_netlink_message_read_u16(m, IFLA_IPVLAN_MODE, &info->ipvlan_mode);
(void) sd_netlink_message_read_u16(m, IFLA_IPVLAN_FLAGS, &info->ipvlan_flags);
}
(void) sd_netlink_message_exit_container(m);
(void) sd_netlink_message_exit_container(m);
return 0;
}
static int decode_link(
sd_netlink_message *m,
LinkInfo *info,
char * const *patterns,
bool matched_patterns[]) {
_cleanup_strv_free_ char **altnames = NULL;
const char *name, *qdisc;
int ifindex, r;
uint16_t type;
assert(m);
assert(info);
r = sd_netlink_message_get_type(m, &type);
if (r < 0)
return r;
if (type != RTM_NEWLINK)
return 0;
r = sd_rtnl_message_link_get_ifindex(m, &ifindex);
if (r < 0)
return r;
r = sd_netlink_message_read_string(m, IFLA_IFNAME, &name);
if (r < 0)
return r;
r = sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &altnames);
if (r < 0 && r != -ENODATA)
return r;
if (patterns) {
char str[DECIMAL_STR_MAX(int)];
size_t pos;
assert(matched_patterns);
xsprintf(str, "%i", ifindex);
if (!strv_fnmatch_full(patterns, str, 0, &pos) &&
!strv_fnmatch_full(patterns, name, 0, &pos)) {
bool match = false;
STRV_FOREACH(p, altnames)
if (strv_fnmatch_full(patterns, *p, 0, &pos)) {
match = true;
break;
}
if (!match)
return 0;
}
matched_patterns[pos] = true;
}
r = sd_rtnl_message_link_get_type(m, &info->iftype);
if (r < 0)
return r;
strscpy(info->name, sizeof info->name, name);
info->ifindex = ifindex;
info->alternative_names = TAKE_PTR(altnames);
info->has_hw_address =
netlink_message_read_hw_addr(m, IFLA_ADDRESS, &info->hw_address) >= 0 &&
info->hw_address.length > 0;
info->has_permanent_hw_address =
(netlink_message_read_hw_addr(m, IFLA_PERM_ADDRESS, &info->permanent_hw_address) >= 0 ||
ethtool_get_permanent_hw_addr(NULL, info->name, &info->permanent_hw_address) >= 0) &&
!hw_addr_is_null(&info->permanent_hw_address) &&
!hw_addr_equal(&info->permanent_hw_address, &info->hw_address);
(void) sd_netlink_message_read_u32(m, IFLA_MTU, &info->mtu);
(void) sd_netlink_message_read_u32(m, IFLA_MIN_MTU, &info->min_mtu);
(void) sd_netlink_message_read_u32(m, IFLA_MAX_MTU, &info->max_mtu);
info->has_rx_queues =
sd_netlink_message_read_u32(m, IFLA_NUM_RX_QUEUES, &info->rx_queues) >= 0 &&
info->rx_queues > 0;
info->has_tx_queues =
sd_netlink_message_read_u32(m, IFLA_NUM_TX_QUEUES, &info->tx_queues) >= 0 &&
info->tx_queues > 0;
if (sd_netlink_message_read(m, IFLA_STATS64, sizeof info->stats64, &info->stats64) >= 0)
info->has_stats64 = true;
else if (sd_netlink_message_read(m, IFLA_STATS, sizeof info->stats, &info->stats) >= 0)
info->has_stats = true;
r = sd_netlink_message_read_string(m, IFLA_QDISC, &qdisc);
if (r >= 0) {
info->qdisc = strdup(qdisc);
if (!info->qdisc)
return log_oom();
}
(void) sd_netlink_message_read_u32(m, IFLA_MASTER, &info->master);
r = sd_netlink_message_enter_container(m, IFLA_AF_SPEC);
if (r >= 0) {
r = sd_netlink_message_enter_container(m, AF_INET6);
if (r >= 0) {
r = sd_netlink_message_read_u8(m, IFLA_INET6_ADDR_GEN_MODE, &info->addr_gen_mode);
if (r >= 0 && IN_SET(info->addr_gen_mode,
IN6_ADDR_GEN_MODE_EUI64,
IN6_ADDR_GEN_MODE_NONE,
IN6_ADDR_GEN_MODE_STABLE_PRIVACY,
IN6_ADDR_GEN_MODE_RANDOM))
info->has_ipv6_address_generation_mode = true;
(void) sd_netlink_message_exit_container(m);
}
(void) sd_netlink_message_exit_container(m);
}
/* fill kind info */
(void) decode_netdev(m, info);
return 1;
}
static int acquire_link_bitrates(sd_bus *bus, LinkInfo *link) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
assert(link);
r = link_get_property(bus, link->ifindex, &error, &reply, "org.freedesktop.network1.Link", "BitRates", "(tt)");
if (r < 0) {
bool quiet = sd_bus_error_has_names(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY,
BUS_ERROR_SPEED_METER_INACTIVE);
return log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING,
r, "Failed to query link bit rates: %s", bus_error_message(&error, r));
}
r = sd_bus_message_read(reply, "(tt)", &link->tx_bitrate, &link->rx_bitrate);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
link->has_bitrates = link->tx_bitrate != UINT64_MAX && link->rx_bitrate != UINT64_MAX;
return 0;
}
static void acquire_ether_link_info(int *fd, LinkInfo *link) {
assert(fd);
assert(link);
if (ethtool_get_link_info(fd,
link->name,
&link->autonegotiation,
&link->speed,
&link->duplex,
&link->port) >= 0)
link->has_ethtool_link_info = true;
}
static void acquire_wlan_link_info(LinkInfo *link) {
_cleanup_(sd_netlink_unrefp) sd_netlink *genl = NULL;
int r, k = 0;
assert(link);
if (!link->sd_device)
return;
if (!device_is_devtype(link->sd_device, "wlan"))
return;
r = sd_genl_socket_open(&genl);
if (r < 0) {
log_debug_errno(r, "Failed to open generic netlink socket: %m");
return;
}
(void) sd_netlink_increase_rxbuf(genl, RCVBUF_SIZE);
r = wifi_get_interface(genl, link->ifindex, &link->wlan_iftype, &link->ssid);
if (r < 0)
log_debug_errno(r, "%s: failed to query ssid: %m", link->name);
if (link->wlan_iftype == NL80211_IFTYPE_STATION) {
k = wifi_get_station(genl, link->ifindex, &link->bssid);
if (k < 0)
log_debug_errno(k, "%s: failed to query bssid: %m", link->name);
}
link->has_wlan_link_info = r > 0 || k > 0;
}
int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char * const *patterns, LinkInfo **ret) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
_cleanup_(link_info_array_freep) LinkInfo *links = NULL;
_cleanup_free_ bool *matched_patterns = NULL;
_cleanup_close_ int fd = -EBADF;
size_t c = 0;
int r;
assert(rtnl);
assert(ret);
r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
if (r < 0)
return rtnl_log_create_error(r);
r = sd_netlink_message_set_request_dump(req, true);
if (r < 0)
return rtnl_log_create_error(r);
r = sd_netlink_call(rtnl, req, 0, &reply);
if (r < 0)
return log_error_errno(r, "Failed to enumerate links: %m");
if (patterns) {
matched_patterns = new0(bool, strv_length(patterns));
if (!matched_patterns)
return log_oom();
}
for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
if (!GREEDY_REALLOC0(links, c + 2)) /* We keep one trailing one as marker */
return -ENOMEM;
r = decode_link(i, links + c, patterns, matched_patterns);
if (r < 0)
return r;
if (r == 0)
continue;
links[c].needs_freeing = true;
(void) sd_device_new_from_ifindex(&links[c].sd_device, links[c].ifindex);
acquire_ether_link_info(&fd, &links[c]);
acquire_wlan_link_info(&links[c]);
c++;
}
/* Look if we matched all our arguments that are not globs. It
* is OK for a glob to match nothing, but not for an exact argument. */
for (size_t pos = 0; pos < strv_length(patterns); pos++) {
if (matched_patterns[pos])
continue;
if (string_is_glob(patterns[pos]))
log_debug("Pattern \"%s\" doesn't match any interface, ignoring.",
patterns[pos]);
else
return log_error_errno(SYNTHETIC_ERRNO(ENODEV),
"Interface \"%s\" not found.", patterns[pos]);
}
typesafe_qsort(links, c, link_info_compare);
if (bus)
FOREACH_ARRAY(link, links, c)
(void) acquire_link_bitrates(bus, link);
*ret = TAKE_PTR(links);
if (patterns && c == 0)
log_warning("No interfaces matched.");
return (int) c;
}

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <linux/if.h>
#include <linux/if_link.h>
#include <linux/nl80211.h>
#include <stdint.h>
#include "sd-bus.h"
#include "sd-device.h"
#include "sd-netlink.h"
#include "ether-addr-util.h"
#include "ethtool-util.h"
#include "in-addr-util.h"
typedef struct VxLanInfo {
uint32_t vni;
uint32_t link;
int local_family;
int group_family;
union in_addr_union local;
union in_addr_union group;
uint16_t dest_port;
uint8_t proxy;
uint8_t learning;
uint8_t rsc;
uint8_t l2miss;
uint8_t l3miss;
uint8_t tos;
uint8_t ttl;
} VxLanInfo;
typedef struct LinkInfo {
char name[IFNAMSIZ+1];
char *netdev_kind;
sd_device *sd_device;
int ifindex;
unsigned short iftype;
struct hw_addr_data hw_address;
struct hw_addr_data permanent_hw_address;
uint32_t master;
uint32_t mtu;
uint32_t min_mtu;
uint32_t max_mtu;
uint32_t tx_queues;
uint32_t rx_queues;
uint8_t addr_gen_mode;
char *qdisc;
char **alternative_names;
union {
struct rtnl_link_stats64 stats64;
struct rtnl_link_stats stats;
};
uint64_t tx_bitrate;
uint64_t rx_bitrate;
/* bridge info */
uint32_t forward_delay;
uint32_t hello_time;
uint32_t max_age;
uint32_t ageing_time;
uint32_t stp_state;
uint32_t cost;
uint16_t priority;
uint8_t mcast_igmp_version;
uint8_t port_state;
uint32_t fdb_max_learned;
uint32_t fdb_n_learned;
bool has_fdb_learned;
/* vxlan info */
VxLanInfo vxlan_info;
/* vlan info */
uint16_t vlan_id;
/* tunnel info */
uint8_t ttl;
uint8_t tos;
uint8_t inherit;
uint8_t df;
uint8_t csum;
uint8_t csum6_tx;
uint8_t csum6_rx;
uint16_t tunnel_port;
uint32_t vni;
uint32_t label;
union in_addr_union local;
union in_addr_union remote;
/* bonding info */
uint8_t mode;
uint32_t miimon;
uint32_t updelay;
uint32_t downdelay;
/* macvlan and macvtap info */
uint32_t macvlan_mode;
/* ipvlan info */
uint16_t ipvlan_mode;
uint16_t ipvlan_flags;
/* ethtool info */
int autonegotiation;
uint64_t speed;
Duplex duplex;
NetDevPort port;
/* wlan info */
enum nl80211_iftype wlan_iftype;
char *ssid;
struct ether_addr bssid;
bool has_hw_address:1;
bool has_permanent_hw_address:1;
bool has_tx_queues:1;
bool has_rx_queues:1;
bool has_stats64:1;
bool has_stats:1;
bool has_bitrates:1;
bool has_ethtool_link_info:1;
bool has_wlan_link_info:1;
bool has_tunnel_ipv4:1;
bool has_ipv6_address_generation_mode:1;
bool needs_freeing:1;
} LinkInfo;
LinkInfo* link_info_array_free(LinkInfo *array);
DEFINE_TRIVIAL_CLEANUP_FUNC(LinkInfo*, link_info_array_free);
int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char * const *patterns, LinkInfo **ret);

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "sd-network.h"
#include "format-table.h"
#include "netif-util.h"
#include "networkctl.h"
#include "networkctl-description.h"
#include "networkctl-link-info.h"
#include "networkctl-list.h"
#include "networkctl-util.h"
int list_links(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_(link_info_array_freep) LinkInfo *links = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
TableCell *cell;
int c, r;
r = dump_description(argc, argv);
if (r != 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
r = sd_netlink_open(&rtnl);
if (r < 0)
return log_error_errno(r, "Failed to connect to netlink: %m");
c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links);
if (c < 0)
return c;
pager_open(arg_pager_flags);
table = table_new("idx", "link", "type", "operational", "setup");
if (!table)
return log_oom();
if (arg_full)
table_set_width(table, 0);
table_set_header(table, arg_legend);
table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
assert_se(cell = table_get_cell(table, 0, 0));
(void) table_set_minimum_width(table, cell, 3);
(void) table_set_weight(table, cell, 0);
(void) table_set_ellipsize_percent(table, cell, 100);
(void) table_set_align_percent(table, cell, 100);
assert_se(cell = table_get_cell(table, 0, 1));
(void) table_set_ellipsize_percent(table, cell, 100);
FOREACH_ARRAY(link, links, c) {
_cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
_cleanup_free_ char *t = NULL;
const char *on_color_operational, *on_color_setup;
(void) sd_network_link_get_operational_state(link->ifindex, &operational_state);
operational_state_to_color(link->name, operational_state, &on_color_operational, NULL);
(void) sd_network_link_get_setup_state(link->ifindex, &setup_state);
setup_state_to_color(setup_state, &on_color_setup, NULL);
r = net_get_type_string(link->sd_device, link->iftype, &t);
if (r == -ENOMEM)
return log_oom();
r = table_add_many(table,
TABLE_INT, link->ifindex,
TABLE_STRING, link->name,
TABLE_STRING, t,
TABLE_STRING, operational_state,
TABLE_SET_COLOR, on_color_operational,
TABLE_STRING, setup_state ?: "unmanaged",
TABLE_SET_COLOR, on_color_setup);
if (r < 0)
return table_log_add_error(r);
}
r = table_print(table, NULL);
if (r < 0)
return table_log_print_error(r);
if (arg_legend)
printf("\n%i links listed.\n", c);
return 0;
}

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int list_links(int argc, char *argv[], void *userdata);

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "alloc-util.h"
#include "json-util.h"
#include "networkctl.h"
#include "networkctl-dump-util.h"
#include "networkctl-lldp.h"
#include "networkctl-util.h"
#include "stdio-util.h"
#include "strv.h"
#include "terminal-util.h"
#include "varlink-util.h"
typedef struct InterfaceInfo {
int ifindex;
const char *ifname;
char **altnames;
sd_json_variant *v;
} InterfaceInfo;
static void interface_info_done(InterfaceInfo *p) {
if (!p)
return;
strv_free(p->altnames);
sd_json_variant_unref(p->v);
}
static const sd_json_dispatch_field interface_info_dispatch_table[] = {
{ "InterfaceIndex", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(InterfaceInfo, ifindex), SD_JSON_MANDATORY },
{ "InterfaceName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(InterfaceInfo, ifname), SD_JSON_MANDATORY },
{ "InterfaceAlternativeNames", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_strv, offsetof(InterfaceInfo, altnames), 0 },
{ "Neighbors", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant, offsetof(InterfaceInfo, v), 0 },
{},
};
typedef struct LLDPNeighborInfo {
const char *chassis_id;
const char *port_id;
const char *port_description;
const char *system_name;
const char *system_description;
uint16_t capabilities;
} LLDPNeighborInfo;
static const sd_json_dispatch_field lldp_neighbor_dispatch_table[] = {
{ "ChassisID", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, chassis_id), 0 },
{ "PortID", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, port_id), 0 },
{ "PortDescription", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, port_description), 0 },
{ "SystemName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, system_name), 0 },
{ "SystemDescription", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, system_description), 0 },
{ "EnabledCapabilities", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint16, offsetof(LLDPNeighborInfo, capabilities), 0 },
{},
};
int dump_lldp_neighbors(sd_varlink *vl, Table *table, int ifindex) {
_cleanup_strv_free_ char **buf = NULL;
sd_json_variant *reply;
int r;
assert(vl);
assert(table);
assert(ifindex > 0);
r = varlink_callbo_and_log(
vl,
"io.systemd.Network.GetLLDPNeighbors",
&reply,
SD_JSON_BUILD_PAIR_INTEGER("InterfaceIndex", ifindex));
if (r < 0)
return r;
sd_json_variant *i;
JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) {
_cleanup_(interface_info_done) InterfaceInfo info = {};
r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info);
if (r < 0)
return r;
if (info.ifindex != ifindex)
continue;
sd_json_variant *neighbor;
JSON_VARIANT_ARRAY_FOREACH(neighbor, info.v) {
LLDPNeighborInfo neighbor_info = {};
r = sd_json_dispatch(neighbor, lldp_neighbor_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &neighbor_info);
if (r < 0)
return r;
r = strv_extendf(&buf, "%s%s%s%s on port %s%s%s%s",
strna(neighbor_info.system_name),
isempty(neighbor_info.system_description) ? "" : " (",
strempty(neighbor_info.system_description),
isempty(neighbor_info.system_description) ? "" : ")",
strna(neighbor_info.port_id),
isempty(neighbor_info.port_description) ? "" : " (",
strempty(neighbor_info.port_description),
isempty(neighbor_info.port_description) ? "" : ")");
if (r < 0)
return log_oom();
}
}
return dump_list(table, "Connected To", buf);
}
static char* lldp_capabilities_to_string(uint64_t x) {
static const char characters[] = {
'o', 'p', 'b', 'w', 'r', 't', 'd', 'a', 'c', 's', 'm',
};
char *ret;
unsigned i;
ret = new(char, ELEMENTSOF(characters) + 1);
if (!ret)
return NULL;
for (i = 0; i < ELEMENTSOF(characters); i++)
ret[i] = (x & (1U << i)) ? characters[i] : '.';
ret[i] = 0;
return ret;
}
static void lldp_capabilities_legend(uint16_t x) {
unsigned cols = columns();
static const char* const table[] = {
"o - Other",
"p - Repeater",
"b - Bridge",
"w - WLAN Access Point",
"r - Router",
"t - Telephone",
"d - DOCSIS cable device",
"a - Station",
"c - Customer VLAN",
"s - Service VLAN",
"m - Two-port MAC Relay (TPMR)",
};
if (x == 0)
return;
printf("\nCapability Flags:\n");
for (unsigned w = 0, i = 0; i < ELEMENTSOF(table); i++)
if (x & (1U << i) || arg_all) {
bool newline;
newline = w + strlen(table[i]) + (w == 0 ? 0 : 2) > cols;
if (newline)
w = 0;
w += printf("%s%s%s", newline ? "\n" : "", w == 0 ? "" : "; ", table[i]);
}
puts("");
}
static bool interface_match_pattern(const InterfaceInfo *info, char * const *patterns) {
assert(info);
if (strv_isempty(patterns))
return true;
if (strv_fnmatch(patterns, info->ifname))
return true;
char str[DECIMAL_STR_MAX(int)];
xsprintf(str, "%i", info->ifindex);
if (strv_fnmatch(patterns, str))
return true;
STRV_FOREACH(a, info->altnames)
if (strv_fnmatch(patterns, *a))
return true;
return false;
}
static int dump_lldp_neighbors_json(sd_json_variant *reply, char * const *patterns) {
_cleanup_(sd_json_variant_unrefp) sd_json_variant *array = NULL, *v = NULL;
int r;
assert(reply);
if (strv_isempty(patterns))
return sd_json_variant_dump(reply, arg_json_format_flags, NULL, NULL);
/* Filter and dump the result. */
sd_json_variant *i;
JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) {
_cleanup_(interface_info_done) InterfaceInfo info = {};
r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info);
if (r < 0)
return r;
if (!interface_match_pattern(&info, patterns))
continue;
r = sd_json_variant_append_array(&array, i);
if (r < 0)
return log_error_errno(r, "Failed to append json variant to array: %m");
}
r = sd_json_buildo(
&v,
SD_JSON_BUILD_PAIR_CONDITION(sd_json_variant_is_blank_array(array), "Neighbors", SD_JSON_BUILD_EMPTY_ARRAY),
SD_JSON_BUILD_PAIR_CONDITION(!sd_json_variant_is_blank_array(array), "Neighbors", SD_JSON_BUILD_VARIANT(array)));
if (r < 0)
return log_error_errno(r, "Failed to build json varinat: %m");
return sd_json_variant_dump(v, arg_json_format_flags, NULL, NULL);
}
int link_lldp_status(int argc, char *argv[], void *userdata) {
_cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
sd_json_variant *reply;
uint64_t all = 0;
TableCell *cell;
size_t m = 0;
int r;
r = varlink_connect_networkd(&vl);
if (r < 0)
return r;
r = varlink_call_and_log(vl, "io.systemd.Network.GetLLDPNeighbors", NULL, &reply);
if (r < 0)
return r;
if (arg_json_format_flags != SD_JSON_FORMAT_OFF)
return dump_lldp_neighbors_json(reply, strv_skip(argv, 1));
pager_open(arg_pager_flags);
table = table_new("index",
"link",
"system-name",
"system-description",
"chassis-id",
"port-id",
"port-description",
"caps");
if (!table)
return log_oom();
if (arg_full)
table_set_width(table, 0);
table_set_header(table, arg_legend);
table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
table_set_sort(table, (size_t) 0, (size_t) 2);
table_hide_column_from_display(table, (size_t) 0);
/* Make the capabilities not truncated */
assert_se(cell = table_get_cell(table, 0, 7));
table_set_minimum_width(table, cell, 11);
sd_json_variant *i;
JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) {
_cleanup_(interface_info_done) InterfaceInfo info = {};
r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info);
if (r < 0)
return r;
if (!interface_match_pattern(&info, strv_skip(argv, 1)))
continue;
sd_json_variant *neighbor;
JSON_VARIANT_ARRAY_FOREACH(neighbor, info.v) {
LLDPNeighborInfo neighbor_info = {};
r = sd_json_dispatch(neighbor, lldp_neighbor_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &neighbor_info);
if (r < 0)
return r;
all |= neighbor_info.capabilities;
_cleanup_free_ char *cap_str = lldp_capabilities_to_string(neighbor_info.capabilities);
r = table_add_many(table,
TABLE_INT, info.ifindex,
TABLE_STRING, info.ifname,
TABLE_STRING, neighbor_info.system_name,
TABLE_STRING, neighbor_info.system_description,
TABLE_STRING, neighbor_info.chassis_id,
TABLE_STRING, neighbor_info.port_id,
TABLE_STRING, neighbor_info.port_description,
TABLE_STRING, cap_str);
if (r < 0)
return table_log_add_error(r);
m++;
}
}
r = table_print(table, NULL);
if (r < 0)
return table_log_print_error(r);
if (arg_legend) {
lldp_capabilities_legend(all);
printf("\n%zu neighbor(s) listed.\n", m);
}
return 0;
}

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "sd-varlink.h"
#include "format-table.h"
int dump_lldp_neighbors(sd_varlink *vl, Table *table, int ifindex);
int link_lldp_status(int argc, char *argv[], void *userdata);

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <net/if.h>
#include "bus-error.h"
#include "bus-locator.h"
#include "fd-util.h"
#include "format-util.h"
#include "netlink-util.h"
#include "networkctl.h"
#include "networkctl-misc.h"
#include "networkctl-util.h"
#include "parse-util.h"
#include "polkit-agent.h"
#include "set.h"
#include "strv.h"
#include "varlink-util.h"
static int link_up_down_send_message(sd_netlink *rtnl, char *command, int index) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
int r;
assert(rtnl);
assert(index >= 0);
r = sd_rtnl_message_new_link(rtnl, &req, RTM_SETLINK, index);
if (r < 0)
return rtnl_log_create_error(r);
if (streq(command, "up"))
r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP);
else
r = sd_rtnl_message_link_set_flags(req, 0, IFF_UP);
if (r < 0)
return log_error_errno(r, "Could not set link flags: %m");
r = sd_netlink_call(rtnl, req, 0, NULL);
if (r < 0)
return r;
return 0;
}
int link_up_down(int argc, char *argv[], void *userdata) {
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_set_free_ Set *indexes = NULL;
int index, r;
void *p;
r = sd_netlink_open(&rtnl);
if (r < 0)
return log_error_errno(r, "Failed to connect to netlink: %m");
indexes = set_new(NULL);
if (!indexes)
return log_oom();
for (int i = 1; i < argc; i++) {
index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]);
if (index < 0)
return index;
r = set_put(indexes, INT_TO_PTR(index));
if (r < 0)
return log_oom();
}
SET_FOREACH(p, indexes) {
index = PTR_TO_INT(p);
r = link_up_down_send_message(rtnl, argv[0], index);
if (r < 0)
return log_error_errno(r, "Failed to bring %s interface %s: %m",
argv[0], FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX));
}
return r;
}
static int link_delete_send_message(sd_netlink *rtnl, int index) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
int r;
assert(rtnl);
assert(index >= 0);
r = sd_rtnl_message_new_link(rtnl, &req, RTM_DELLINK, index);
if (r < 0)
return rtnl_log_create_error(r);
r = sd_netlink_call(rtnl, req, 0, NULL);
if (r < 0)
return r;
return 0;
}
int link_delete(int argc, char *argv[], void *userdata) {
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_set_free_ Set *indexes = NULL;
int index, r;
void *p;
r = sd_netlink_open(&rtnl);
if (r < 0)
return log_error_errno(r, "Failed to connect to netlink: %m");
indexes = set_new(NULL);
if (!indexes)
return log_oom();
for (int i = 1; i < argc; i++) {
index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]);
if (index < 0)
return index;
r = set_put(indexes, INT_TO_PTR(index));
if (r < 0)
return log_oom();
}
SET_FOREACH(p, indexes) {
index = PTR_TO_INT(p);
r = link_delete_send_message(rtnl, index);
if (r < 0)
return log_error_errno(r, "Failed to delete interface %s: %m",
FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX));
}
return r;
}
static int link_renew_one(sd_bus *bus, int index, const char *name) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
assert(index >= 0);
assert(name);
r = bus_call_method(bus, bus_network_mgr, "RenewLink", &error, NULL, "i", index);
if (r < 0)
return log_error_errno(r, "Failed to renew dynamic configuration of interface %s: %s",
name, bus_error_message(&error, r));
return 0;
}
int link_renew(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
int r;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
r = 0;
for (int i = 1; i < argc; i++) {
int index;
index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]);
if (index < 0)
return index;
RET_GATHER(r, link_renew_one(bus, index, argv[i]));
}
return r;
}
static int link_force_renew_one(sd_bus *bus, int index, const char *name) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
assert(index >= 0);
assert(name);
r = bus_call_method(bus, bus_network_mgr, "ForceRenewLink", &error, NULL, "i", index);
if (r < 0)
return log_error_errno(r, "Failed to force renew dynamic configuration of interface %s: %s",
name, bus_error_message(&error, r));
return 0;
}
int link_force_renew(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
int k = 0, r;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
for (int i = 1; i < argc; i++) {
int index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]);
if (index < 0)
return index;
r = link_force_renew_one(bus, index, argv[i]);
if (r < 0 && k >= 0)
k = r;
}
return k;
}
int verb_reload(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
r = bus_call_method(bus, bus_network_mgr, "Reload", &error, NULL, NULL);
if (r < 0)
return log_error_errno(r, "Failed to reload network settings: %s", bus_error_message(&error, r));
return 0;
}
int verb_reconfigure(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_set_free_ Set *indexes = NULL;
int index, r;
void *p;
r = acquire_bus(&bus);
if (r < 0)
return r;
(void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
indexes = set_new(NULL);
if (!indexes)
return log_oom();
for (int i = 1; i < argc; i++) {
index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]);
if (index < 0)
return index;
r = set_put(indexes, INT_TO_PTR(index));
if (r < 0)
return log_oom();
}
SET_FOREACH(p, indexes) {
index = PTR_TO_INT(p);
r = bus_call_method(bus, bus_network_mgr, "ReconfigureLink", &error, NULL, "i", index);
if (r < 0)
return log_error_errno(r, "Failed to reconfigure network interface %s: %s",
FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX),
bus_error_message(&error, r));
}
return 0;
}
int verb_persistent_storage(int argc, char *argv[], void *userdata) {
_cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL;
bool ready;
int r;
r = parse_boolean(argv[1]);
if (r < 0)
return log_error_errno(r, "Failed to parse argument: %s", argv[1]);
ready = r;
r = varlink_connect_networkd(&vl);
if (r < 0)
return r;
if (ready) {
_cleanup_close_ int fd = -EBADF;
fd = open("/var/lib/systemd/network/", O_CLOEXEC | O_DIRECTORY);
if (fd < 0)
return log_error_errno(errno, "Failed to open /var/lib/systemd/network/: %m");
r = sd_varlink_push_fd(vl, fd);
if (r < 0)
return log_error_errno(r, "Failed to push file descriptor of /var/lib/systemd/network/ into varlink: %m");
TAKE_FD(fd);
}
return varlink_callbo_and_log(
vl,
"io.systemd.Network.SetPersistentStorage",
/* reply= */ NULL,
SD_JSON_BUILD_PAIR_BOOLEAN("Ready", ready));
}

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int link_up_down(int argc, char *argv[], void *userdata);
int link_delete(int argc, char *argv[], void *userdata);
int link_renew(int argc, char *argv[], void *userdata);
int link_force_renew(int argc, char *argv[], void *userdata);
int verb_reload(int argc, char *argv[], void *userdata);
int verb_reconfigure(int argc, char *argv[], void *userdata);
int verb_persistent_storage(int argc, char *argv[], void *userdata);

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* Make sure the net/if.h header is included before any linux/ one */
#include <net/if.h>
#include "sd-network.h"
#include "bond-util.h"
#include "bridge-util.h"
#include "bus-error.h"
#include "bus-util.h"
#include "escape.h"
#include "format-util.h"
#include "geneve-util.h"
#include "glyph-util.h"
#include "ipvlan-util.h"
#include "macvlan-util.h"
#include "netif-util.h"
#include "network-internal.h"
#include "networkctl.h"
#include "networkctl-description.h"
#include "networkctl-dump-util.h"
#include "networkctl-journal.h"
#include "networkctl-link-info.h"
#include "networkctl-lldp.h"
#include "networkctl-status-link.h"
#include "networkctl-status-system.h"
#include "networkctl-util.h"
#include "strv.h"
#include "udev-util.h"
static int dump_dhcp_leases(Table *table, const char *prefix, sd_bus *bus, const LinkInfo *link) {
_cleanup_strv_free_ char **buf = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(table);
assert(prefix);
assert(bus);
assert(link);
r = link_get_property(bus, link->ifindex, &error, &reply, "org.freedesktop.network1.DHCPServer", "Leases", "a(uayayayayt)");
if (r < 0) {
bool quiet = sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY);
log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING,
r, "Failed to query link DHCP leases: %s", bus_error_message(&error, r));
return 0;
}
r = sd_bus_message_enter_container(reply, 'a', "(uayayayayt)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_enter_container(reply, 'r', "uayayayayt")) > 0) {
_cleanup_free_ char *id = NULL, *ip = NULL;
const void *client_id, *addr, *gtw, *hwaddr;
size_t client_id_sz, sz;
uint64_t expiration;
uint32_t family;
r = sd_bus_message_read(reply, "u", &family);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &client_id, &client_id_sz);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &addr, &sz);
if (r < 0 || sz != 4)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &gtw, &sz);
if (r < 0 || sz != 4)
return bus_log_parse_error(r);
r = sd_bus_message_read_array(reply, 'y', &hwaddr, &sz);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_read_basic(reply, 't', &expiration);
if (r < 0)
return bus_log_parse_error(r);
r = sd_dhcp_client_id_to_string_from_raw(client_id, client_id_sz, &id);
if (r < 0)
return bus_log_parse_error(r);
r = in_addr_to_string(family, addr, &ip);
if (r < 0)
return bus_log_parse_error(r);
r = strv_extendf(&buf, "%s (to %s)", ip, id);
if (r < 0)
return log_oom();
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
}
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
if (strv_isempty(buf)) {
r = strv_extendf(&buf, "none");
if (r < 0)
return log_oom();
}
return dump_list(table, prefix, buf);
}
static int dump_ifindexes(Table *table, const char *prefix, const int *ifindexes) {
int r;
assert(table);
assert(prefix);
if (!ifindexes)
return 0;
for (unsigned c = 0; ifindexes[c] > 0; c++) {
if (c == 0)
r = table_add_cell(table, NULL, TABLE_FIELD, prefix);
else
r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
if (r < 0)
return table_log_add_error(r);
r = table_add_cell(table, NULL, TABLE_IFINDEX, &ifindexes[c]);
if (r < 0)
return table_log_add_error(r);
}
return 0;
}
#define DUMP_STATS_ONE(name, val_name) \
({ \
r = table_add_cell(table, NULL, TABLE_FIELD, name); \
if (r < 0) \
return table_log_add_error(r); \
r = table_add_cell(table, NULL, \
info->has_stats64 ? TABLE_UINT64 : TABLE_UINT32, \
info->has_stats64 ? (void*) &info->stats64.val_name : (void*) &info->stats.val_name); \
if (r < 0) \
return table_log_add_error(r); \
})
static int dump_statistics(Table *table, const LinkInfo *info) {
int r;
assert(table);
assert(info);
if (!arg_stats)
return 0;
if (!info->has_stats64 && !info->has_stats)
return 0;
DUMP_STATS_ONE("Rx Packets", rx_packets);
DUMP_STATS_ONE("Tx Packets", tx_packets);
DUMP_STATS_ONE("Rx Bytes", rx_bytes);
DUMP_STATS_ONE("Tx Bytes", tx_bytes);
DUMP_STATS_ONE("Rx Errors", rx_errors);
DUMP_STATS_ONE("Tx Errors", tx_errors);
DUMP_STATS_ONE("Rx Dropped", rx_dropped);
DUMP_STATS_ONE("Tx Dropped", tx_dropped);
DUMP_STATS_ONE("Multicast Packets", multicast);
DUMP_STATS_ONE("Collisions", collisions);
return 0;
}
static int dump_hw_address(Table *table, sd_hwdb *hwdb, const char *field, const struct hw_addr_data *addr) {
_cleanup_free_ char *description = NULL;
int r;
assert(table);
assert(field);
assert(addr);
if (addr->length == ETH_ALEN)
(void) ieee_oui(hwdb, &addr->ether, &description);
r = table_add_cell(table, NULL, TABLE_FIELD, field);
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%s%s%s%s",
HW_ADDR_TO_STR(addr),
description ? " (" : "",
strempty(description),
description ? ")" : "");
if (r < 0)
return table_log_add_error(r);
return 0;
}
static int table_add_string_line(Table *table, const char *key, const char *value) {
int r;
assert(table);
assert(key);
if (isempty(value))
return 0;
r = table_add_many(table,
TABLE_FIELD, key,
TABLE_STRING, value);
if (r < 0)
return table_log_add_error(r);
return 0;
}
static int format_dropins(char **dropins) {
STRV_FOREACH(d, dropins) {
_cleanup_free_ char *s = NULL;
int glyph = *(d + 1) == NULL ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH;
s = strjoin(special_glyph(glyph), *d);
if (!s)
return log_oom();
free_and_replace(*d, s);
}
return 0;
}
static int link_status_one(
sd_bus *bus,
sd_netlink *rtnl,
sd_hwdb *hwdb,
sd_varlink *vl,
const LinkInfo *info) {
_cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **sip = NULL, **search_domains = NULL,
**route_domains = NULL, **link_dropins = NULL, **network_dropins = NULL;
_cleanup_free_ char *t = NULL, *network = NULL, *iaid = NULL, *duid = NULL, *captive_portal = NULL,
*setup_state = NULL, *operational_state = NULL, *online_state = NULL, *activation_policy = NULL;
const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL,
*on_color_operational, *off_color_operational, *on_color_setup, *off_color_setup, *on_color_online;
_cleanup_free_ int *carrier_bound_to = NULL, *carrier_bound_by = NULL;
_cleanup_(sd_dhcp_lease_unrefp) sd_dhcp_lease *lease = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
int r;
assert(bus);
assert(rtnl);
assert(vl);
assert(info);
(void) sd_network_link_get_operational_state(info->ifindex, &operational_state);
operational_state_to_color(info->name, operational_state, &on_color_operational, &off_color_operational);
(void) sd_network_link_get_online_state(info->ifindex, &online_state);
online_state_to_color(online_state, &on_color_online, NULL);
(void) sd_network_link_get_setup_state(info->ifindex, &setup_state);
setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
(void) sd_network_link_get_dns(info->ifindex, &dns);
(void) sd_network_link_get_search_domains(info->ifindex, &search_domains);
(void) sd_network_link_get_route_domains(info->ifindex, &route_domains);
(void) sd_network_link_get_ntp(info->ifindex, &ntp);
(void) sd_network_link_get_sip(info->ifindex, &sip);
(void) sd_network_link_get_captive_portal(info->ifindex, &captive_portal);
(void) sd_network_link_get_network_file(info->ifindex, &network);
(void) sd_network_link_get_network_file_dropins(info->ifindex, &network_dropins);
(void) sd_network_link_get_carrier_bound_to(info->ifindex, &carrier_bound_to);
(void) sd_network_link_get_carrier_bound_by(info->ifindex, &carrier_bound_by);
(void) sd_network_link_get_activation_policy(info->ifindex, &activation_policy);
if (info->sd_device) {
const char *joined;
(void) sd_device_get_property_value(info->sd_device, "ID_NET_LINK_FILE", &link);
if (sd_device_get_property_value(info->sd_device, "ID_NET_LINK_FILE_DROPINS", &joined) >= 0) {
r = strv_split_full(&link_dropins, joined, ":", EXTRACT_CUNESCAPE);
if (r < 0)
return r;
}
(void) sd_device_get_property_value(info->sd_device, "ID_NET_DRIVER", &driver);
(void) sd_device_get_property_value(info->sd_device, "ID_PATH", &path);
(void) device_get_vendor_string(info->sd_device, &vendor);
(void) device_get_model_string(info->sd_device, &model);
}
r = net_get_type_string(info->sd_device, info->iftype, &t);
if (r == -ENOMEM)
return log_oom();
char lease_file[STRLEN("/run/systemd/netif/leases/") + DECIMAL_STR_MAX(int)];
xsprintf(lease_file, "/run/systemd/netif/leases/%i", info->ifindex);
(void) dhcp_lease_load(&lease, lease_file);
r = format_dropins(network_dropins);
if (r < 0)
return r;
if (strv_prepend(&network_dropins, network) < 0)
return log_oom();
r = format_dropins(link_dropins);
if (r < 0)
return r;
if (strv_prepend(&link_dropins, link) < 0)
return log_oom();
table = table_new_vertical();
if (!table)
return log_oom();
if (arg_full)
table_set_width(table, 0);
/* unit files and basic states. */
r = table_add_many(table,
TABLE_FIELD, "Link File",
TABLE_STRV, link_dropins ?: STRV_MAKE("n/a"),
TABLE_FIELD, "Network File",
TABLE_STRV, network_dropins ?: STRV_MAKE("n/a"),
TABLE_FIELD, "State");
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%s%s%s (%s%s%s)",
on_color_operational, strna(operational_state), off_color_operational,
on_color_setup, setup_state ?: "unmanaged", off_color_setup);
if (r < 0)
return table_log_add_error(r);
r = table_add_many(table,
TABLE_FIELD, "Online state",
TABLE_STRING, online_state ?: "unknown",
TABLE_SET_COLOR, on_color_online);
if (r < 0)
return table_log_add_error(r);
r = table_add_string_line(table, "Type", t);
if (r < 0)
return r;
r = table_add_string_line(table, "Kind", info->netdev_kind);
if (r < 0)
return r;
r = table_add_string_line(table, "Path", path);
if (r < 0)
return r;
r = table_add_string_line(table, "Driver", driver);
if (r < 0)
return r;
r = table_add_string_line(table, "Vendor", vendor);
if (r < 0)
return r;
r = table_add_string_line(table, "Model", model);
if (r < 0)
return r;
strv_sort(info->alternative_names);
r = dump_list(table, "Alternative Names", info->alternative_names);
if (r < 0)
return r;
if (info->has_hw_address) {
r = dump_hw_address(table, hwdb, "Hardware Address", &info->hw_address);
if (r < 0)
return r;
}
if (info->has_permanent_hw_address) {
r = dump_hw_address(table, hwdb, "Permanent Hardware Address", &info->permanent_hw_address);
if (r < 0)
return r;
}
if (info->mtu > 0) {
char min_str[DECIMAL_STR_MAX(uint32_t)], max_str[DECIMAL_STR_MAX(uint32_t)];
xsprintf(min_str, "%" PRIu32, info->min_mtu);
xsprintf(max_str, "%" PRIu32, info->max_mtu);
r = table_add_cell(table, NULL, TABLE_FIELD, "MTU");
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%" PRIu32 "%s%s%s%s%s%s%s",
info->mtu,
info->min_mtu > 0 || info->max_mtu > 0 ? " (" : "",
info->min_mtu > 0 ? "min: " : "",
info->min_mtu > 0 ? min_str : "",
info->min_mtu > 0 && info->max_mtu > 0 ? ", " : "",
info->max_mtu > 0 ? "max: " : "",
info->max_mtu > 0 ? max_str : "",
info->min_mtu > 0 || info->max_mtu > 0 ? ")" : "");
if (r < 0)
return table_log_add_error(r);
}
r = table_add_string_line(table, "QDisc", info->qdisc);
if (r < 0)
return r;
if (info->master > 0) {
r = table_add_many(table,
TABLE_FIELD, "Master",
TABLE_IFINDEX, info->master);
if (r < 0)
return table_log_add_error(r);
}
if (info->has_ipv6_address_generation_mode) {
static const struct {
const char *mode;
} mode_table[] = {
{ "eui64" },
{ "none" },
{ "stable-privacy" },
{ "random" },
};
r = table_add_many(table,
TABLE_FIELD, "IPv6 Address Generation Mode",
TABLE_STRING, mode_table[info->addr_gen_mode]);
if (r < 0)
return table_log_add_error(r);
}
if (streq_ptr(info->netdev_kind, "bridge")) {
r = table_add_many(table,
TABLE_FIELD, "Forward Delay",
TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->forward_delay),
TABLE_FIELD, "Hello Time",
TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->hello_time),
TABLE_FIELD, "Max Age",
TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->max_age),
TABLE_FIELD, "Ageing Time",
TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->ageing_time),
TABLE_FIELD, "Priority",
TABLE_UINT16, info->priority,
TABLE_FIELD, "STP",
TABLE_BOOLEAN, info->stp_state > 0,
TABLE_FIELD, "Multicast IGMP Version",
TABLE_UINT8, info->mcast_igmp_version,
TABLE_FIELD, "Cost",
TABLE_UINT32, info->cost);
if (r < 0)
return table_log_add_error(r);
if (info->has_fdb_learned) {
r = table_add_many(table,
TABLE_FIELD, "FDB Learned",
TABLE_UINT32, info->fdb_n_learned,
TABLE_FIELD, "FDB Max Learned",
TABLE_UINT32, info->fdb_max_learned);
if (r < 0)
return table_log_add_error(r);
}
if (info->port_state <= BR_STATE_BLOCKING) {
r = table_add_many(table,
TABLE_FIELD, "Port State",
TABLE_STRING, bridge_state_to_string(info->port_state));
if (r < 0)
return table_log_add_error(r);
}
} else if (streq_ptr(info->netdev_kind, "bond")) {
r = table_add_many(table,
TABLE_FIELD, "Mode",
TABLE_STRING, bond_mode_to_string(info->mode),
TABLE_FIELD, "Miimon",
TABLE_TIMESPAN_MSEC, info->miimon * USEC_PER_MSEC,
TABLE_FIELD, "Updelay",
TABLE_TIMESPAN_MSEC, info->updelay * USEC_PER_MSEC,
TABLE_FIELD, "Downdelay",
TABLE_TIMESPAN_MSEC, info->downdelay * USEC_PER_MSEC);
if (r < 0)
return table_log_add_error(r);
} else if (streq_ptr(info->netdev_kind, "vxlan")) {
char ttl[CONST_MAX(STRLEN("auto") + 1, DECIMAL_STR_MAX(uint8_t))];
if (info->vxlan_info.vni > 0) {
r = table_add_many(table,
TABLE_FIELD, "VNI",
TABLE_UINT32, info->vxlan_info.vni);
if (r < 0)
return table_log_add_error(r);
}
if (IN_SET(info->vxlan_info.group_family, AF_INET, AF_INET6)) {
const char *p;
r = in_addr_is_multicast(info->vxlan_info.group_family, &info->vxlan_info.group);
if (r <= 0)
p = "Remote";
else
p = "Group";
r = table_add_many(table,
TABLE_FIELD, p,
info->vxlan_info.group_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, &info->vxlan_info.group);
if (r < 0)
return table_log_add_error(r);
}
if (IN_SET(info->vxlan_info.local_family, AF_INET, AF_INET6)) {
r = table_add_many(table,
TABLE_FIELD, "Local",
info->vxlan_info.local_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, &info->vxlan_info.local);
if (r < 0)
return table_log_add_error(r);
}
if (info->vxlan_info.dest_port > 0) {
r = table_add_many(table,
TABLE_FIELD, "Destination Port",
TABLE_UINT16, be16toh(info->vxlan_info.dest_port));
if (r < 0)
return table_log_add_error(r);
}
if (info->vxlan_info.link > 0) {
r = table_add_many(table,
TABLE_FIELD, "Underlying Device",
TABLE_IFINDEX, info->vxlan_info.link);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_FIELD, "Learning",
TABLE_BOOLEAN, info->vxlan_info.learning,
TABLE_FIELD, "RSC",
TABLE_BOOLEAN, info->vxlan_info.rsc,
TABLE_FIELD, "L3MISS",
TABLE_BOOLEAN, info->vxlan_info.l3miss,
TABLE_FIELD, "L2MISS",
TABLE_BOOLEAN, info->vxlan_info.l2miss);
if (r < 0)
return table_log_add_error(r);
if (info->vxlan_info.tos > 1) {
r = table_add_many(table,
TABLE_FIELD, "TOS",
TABLE_UINT8, info->vxlan_info.tos);
if (r < 0)
return table_log_add_error(r);
}
if (info->vxlan_info.ttl > 0)
xsprintf(ttl, "%" PRIu8, info->vxlan_info.ttl);
else
strcpy(ttl, "auto");
r = table_add_many(table,
TABLE_FIELD, "TTL",
TABLE_STRING, ttl);
if (r < 0)
return table_log_add_error(r);
} else if (streq_ptr(info->netdev_kind, "vlan") && info->vlan_id > 0) {
r = table_add_many(table,
TABLE_FIELD, "VLan Id",
TABLE_UINT16, info->vlan_id);
if (r < 0)
return table_log_add_error(r);
} else if (STRPTR_IN_SET(info->netdev_kind, "ipip", "sit", "gre", "gretap", "erspan", "vti")) {
if (in_addr_is_set(AF_INET, &info->local)) {
r = table_add_many(table,
TABLE_FIELD, "Local",
TABLE_IN_ADDR, &info->local);
if (r < 0)
return table_log_add_error(r);
}
if (in_addr_is_set(AF_INET, &info->remote)) {
r = table_add_many(table,
TABLE_FIELD, "Remote",
TABLE_IN_ADDR, &info->remote);
if (r < 0)
return table_log_add_error(r);
}
} else if (STRPTR_IN_SET(info->netdev_kind, "ip6gre", "ip6gretap", "ip6erspan", "vti6")) {
if (in_addr_is_set(AF_INET6, &info->local)) {
r = table_add_many(table,
TABLE_FIELD, "Local",
TABLE_IN6_ADDR, &info->local);
if (r < 0)
return table_log_add_error(r);
}
if (in_addr_is_set(AF_INET6, &info->remote)) {
r = table_add_many(table,
TABLE_FIELD, "Remote",
TABLE_IN6_ADDR, &info->remote);
if (r < 0)
return table_log_add_error(r);
}
} else if (streq_ptr(info->netdev_kind, "geneve")) {
r = table_add_many(table,
TABLE_FIELD, "VNI",
TABLE_UINT32, info->vni);
if (r < 0)
return table_log_add_error(r);
if (info->has_tunnel_ipv4 && in_addr_is_set(AF_INET, &info->remote)) {
r = table_add_many(table,
TABLE_FIELD, "Remote",
TABLE_IN_ADDR, &info->remote);
if (r < 0)
return table_log_add_error(r);
} else if (in_addr_is_set(AF_INET6, &info->remote)) {
r = table_add_many(table,
TABLE_FIELD, "Remote",
TABLE_IN6_ADDR, &info->remote);
if (r < 0)
return table_log_add_error(r);
}
if (info->ttl > 0) {
r = table_add_many(table,
TABLE_FIELD, "TTL",
TABLE_UINT8, info->ttl);
if (r < 0)
return table_log_add_error(r);
}
if (info->tos > 0) {
r = table_add_many(table,
TABLE_FIELD, "TOS",
TABLE_UINT8, info->tos);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_FIELD, "Port",
TABLE_UINT16, info->tunnel_port,
TABLE_FIELD, "Inherit",
TABLE_STRING, geneve_df_to_string(info->inherit));
if (r < 0)
return table_log_add_error(r);
if (info->df > 0) {
r = table_add_many(table,
TABLE_FIELD, "IPDoNotFragment",
TABLE_UINT8, info->df);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_FIELD, "UDPChecksum",
TABLE_BOOLEAN, info->csum,
TABLE_FIELD, "UDP6ZeroChecksumTx",
TABLE_BOOLEAN, info->csum6_tx,
TABLE_FIELD, "UDP6ZeroChecksumRx",
TABLE_BOOLEAN, info->csum6_rx);
if (r < 0)
return table_log_add_error(r);
if (info->label > 0) {
r = table_add_many(table,
TABLE_FIELD, "FlowLabel",
TABLE_UINT32, info->label);
if (r < 0)
return table_log_add_error(r);
}
} else if (STRPTR_IN_SET(info->netdev_kind, "macvlan", "macvtap")) {
r = table_add_many(table,
TABLE_FIELD, "Mode",
TABLE_STRING, macvlan_mode_to_string(info->macvlan_mode));
if (r < 0)
return table_log_add_error(r);
} else if (streq_ptr(info->netdev_kind, "ipvlan")) {
const char *p;
if (info->ipvlan_flags & IPVLAN_F_PRIVATE)
p = "private";
else if (info->ipvlan_flags & IPVLAN_F_VEPA)
p = "vepa";
else
p = "bridge";
r = table_add_cell(table, NULL, TABLE_FIELD, "Mode");
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%s (%s)",
ipvlan_mode_to_string(info->ipvlan_mode), p);
if (r < 0)
return table_log_add_error(r);
}
if (info->has_wlan_link_info) {
_cleanup_free_ char *esc = NULL;
r = table_add_cell(table, NULL, TABLE_FIELD, "Wi-Fi access point");
if (r < 0)
return table_log_add_error(r);
if (info->ssid)
esc = cescape(info->ssid);
r = table_add_cell_stringf(table, NULL, "%s (%s)",
strnull(esc),
ETHER_ADDR_TO_STR(&info->bssid));
if (r < 0)
return table_log_add_error(r);
}
if (info->has_bitrates) {
r = table_add_cell(table, NULL, TABLE_FIELD, "Bit Rate (Tx/Rx)");
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%sbps/%sbps",
FORMAT_BYTES_FULL(info->tx_bitrate, 0),
FORMAT_BYTES_FULL(info->rx_bitrate, 0));
if (r < 0)
return table_log_add_error(r);
}
if (info->has_tx_queues || info->has_rx_queues) {
r = table_add_cell(table, NULL, TABLE_FIELD, "Number of Queues (Tx/Rx)");
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%" PRIu32 "/%" PRIu32, info->tx_queues, info->rx_queues);
if (r < 0)
return table_log_add_error(r);
}
if (info->has_ethtool_link_info) {
if (IN_SET(info->autonegotiation, AUTONEG_DISABLE, AUTONEG_ENABLE)) {
r = table_add_many(table,
TABLE_FIELD, "Auto negotiation",
TABLE_BOOLEAN, info->autonegotiation == AUTONEG_ENABLE);
if (r < 0)
return table_log_add_error(r);
}
if (info->speed > 0 && info->speed != UINT64_MAX) {
r = table_add_many(table,
TABLE_FIELD, "Speed",
TABLE_BPS, info->speed);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_string_line(table, "Duplex", duplex_to_string(info->duplex));
if (r < 0)
return r;
r = table_add_string_line(table, "Port", port_to_string(info->port));
if (r < 0)
return r;
}
r = dump_addresses(rtnl, lease, table, info->ifindex);
if (r < 0)
return r;
r = dump_gateways(rtnl, hwdb, table, info->ifindex);
if (r < 0)
return r;
r = dump_list(table, "DNS", dns);
if (r < 0)
return r;
r = dump_list(table, "Search Domains", search_domains);
if (r < 0)
return r;
r = dump_list(table, "Route Domains", route_domains);
if (r < 0)
return r;
r = dump_list(table, "NTP", ntp);
if (r < 0)
return r;
r = dump_list(table, "SIP", sip);
if (r < 0)
return r;
r = dump_ifindexes(table, "Carrier Bound To", carrier_bound_to);
if (r < 0)
return r;
r = dump_ifindexes(table, "Carrier Bound By", carrier_bound_by);
if (r < 0)
return r;
r = table_add_string_line(table, "Activation Policy", activation_policy);
if (r < 0)
return r;
r = sd_network_link_get_required_for_online(info->ifindex);
if (r >= 0) {
r = table_add_many(table,
TABLE_FIELD, "Required For Online",
TABLE_BOOLEAN, r);
if (r < 0)
return table_log_add_error(r);
}
if (captive_portal) {
r = table_add_many(table,
TABLE_FIELD, "Captive Portal",
TABLE_STRING, captive_portal,
TABLE_SET_URL, captive_portal);
if (r < 0)
return table_log_add_error(r);
}
if (lease) {
const sd_dhcp_client_id *client_id;
const char *tz;
r = sd_dhcp_lease_get_timezone(lease, &tz);
if (r >= 0) {
r = table_add_many(table,
TABLE_FIELD, "Time Zone",
TABLE_STRING, tz);
if (r < 0)
return table_log_add_error(r);
}
r = sd_dhcp_lease_get_client_id(lease, &client_id);
if (r >= 0) {
_cleanup_free_ char *id = NULL;
r = sd_dhcp_client_id_to_string(client_id, &id);
if (r >= 0) {
r = table_add_many(table,
TABLE_FIELD, "DHCPv4 Client ID",
TABLE_STRING, id);
if (r < 0)
return table_log_add_error(r);
}
}
}
r = sd_network_link_get_dhcp6_client_iaid_string(info->ifindex, &iaid);
if (r >= 0) {
r = table_add_many(table,
TABLE_FIELD, "DHCPv6 Client IAID",
TABLE_STRING, iaid);
if (r < 0)
return table_log_add_error(r);
}
r = sd_network_link_get_dhcp6_client_duid_string(info->ifindex, &duid);
if (r >= 0) {
r = table_add_many(table,
TABLE_FIELD, "DHCPv6 Client DUID",
TABLE_STRING, duid);
if (r < 0)
return table_log_add_error(r);
}
r = dump_lldp_neighbors(vl, table, info->ifindex);
if (r < 0)
return r;
r = dump_dhcp_leases(table, "Offered DHCP leases", bus, info);
if (r < 0)
return r;
r = dump_statistics(table, info);
if (r < 0)
return r;
/* First line: circle, ifindex, ifname. */
printf("%s%s%s %d: %s\n",
on_color_operational, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off_color_operational,
info->ifindex, info->name);
r = table_print(table, NULL);
if (r < 0)
return table_log_print_error(r);
return show_logs(info->ifindex, info->name);
}
int link_status(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL;
_cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL;
_cleanup_(link_info_array_freep) LinkInfo *links = NULL;
int r, c;
r = dump_description(argc, argv);
if (r != 0)
return r;
r = acquire_bus(&bus);
if (r < 0)
return r;
pager_open(arg_pager_flags);
r = sd_netlink_open(&rtnl);
if (r < 0)
return log_error_errno(r, "Failed to connect to netlink: %m");
r = sd_hwdb_new(&hwdb);
if (r < 0)
log_debug_errno(r, "Failed to open hardware database: %m");
r = varlink_connect_networkd(&vl);
if (r < 0)
return r;
if (arg_all)
c = acquire_link_info(bus, rtnl, NULL, &links);
else if (argc <= 1)
return system_status(rtnl, hwdb);
else
c = acquire_link_info(bus, rtnl, argv + 1, &links);
if (c < 0)
return c;
r = 0;
bool first = true;
FOREACH_ARRAY(i, links, c) {
if (!first)
putchar('\n');
RET_GATHER(r, link_status_one(bus, rtnl, hwdb, vl, i));
first = false;
}
return r;
}

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@ -0,0 +1,4 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int link_status(int argc, char *argv[], void *userdata);

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@ -0,0 +1,92 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "sd-network.h"
#include "fs-util.h"
#include "glyph-util.h"
#include "networkctl.h"
#include "networkctl-dump-util.h"
#include "networkctl-journal.h"
#include "networkctl-status-system.h"
#include "networkctl-util.h"
#include "strv.h"
int system_status(sd_netlink *rtnl, sd_hwdb *hwdb) {
_cleanup_free_ char *operational_state = NULL, *online_state = NULL, *netifs_joined = NULL;
_cleanup_strv_free_ char **netifs = NULL, **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL;
const char *on_color_operational, *off_color_operational, *on_color_online;
_cleanup_(table_unrefp) Table *table = NULL;
int r;
assert(rtnl);
(void) sd_network_get_operational_state(&operational_state);
operational_state_to_color(NULL, operational_state, &on_color_operational, &off_color_operational);
(void) sd_network_get_online_state(&online_state);
online_state_to_color(online_state, &on_color_online, NULL);
table = table_new_vertical();
if (!table)
return log_oom();
if (arg_full)
table_set_width(table, 0);
r = get_files_in_directory("/run/systemd/netif/links/", &netifs);
if (r < 0 && r != -ENOENT)
return log_error_errno(r, "Failed to list network interfaces: %m");
else if (r > 0) {
netifs_joined = strv_join(netifs, ", ");
if (!netifs_joined)
return log_oom();
}
r = table_add_many(table,
TABLE_FIELD, "State",
TABLE_STRING, strna(operational_state),
TABLE_SET_COLOR, on_color_operational,
TABLE_FIELD, "Online state",
TABLE_STRING, online_state ?: "unknown",
TABLE_SET_COLOR, on_color_online);
if (r < 0)
return table_log_add_error(r);
r = dump_addresses(rtnl, NULL, table, 0);
if (r < 0)
return r;
r = dump_gateways(rtnl, hwdb, table, 0);
if (r < 0)
return r;
(void) sd_network_get_dns(&dns);
r = dump_list(table, "DNS", dns);
if (r < 0)
return r;
(void) sd_network_get_search_domains(&search_domains);
r = dump_list(table, "Search Domains", search_domains);
if (r < 0)
return r;
(void) sd_network_get_route_domains(&route_domains);
r = dump_list(table, "Route Domains", route_domains);
if (r < 0)
return r;
(void) sd_network_get_ntp(&ntp);
r = dump_list(table, "NTP", ntp);
if (r < 0)
return r;
printf("%s%s%s Interfaces: %s\n",
on_color_operational, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off_color_operational,
strna(netifs_joined));
r = table_print(table, NULL);
if (r < 0)
return table_log_print_error(r);
return show_logs(0, NULL);
}

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@ -0,0 +1,7 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include "sd-hwdb.h"
#include "sd-netlink.h"
int system_status(sd_netlink *rtnl, sd_hwdb *hwdb);

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@ -0,0 +1,192 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <sys/stat.h>
#include <unistd.h>
#include "ansi-color.h"
#include "networkctl.h"
#include "networkctl-util.h"
#include "strv.h"
#include "varlink-util.h"
int varlink_connect_networkd(sd_varlink **ret_varlink) {
_cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL;
sd_json_variant *reply;
uint64_t id;
int r;
r = sd_varlink_connect_address(&vl, "/run/systemd/netif/io.systemd.Network");
if (r < 0)
return log_error_errno(r, "Failed to connect to network service /run/systemd/netif/io.systemd.Network: %m");
(void) sd_varlink_set_description(vl, "varlink-network");
r = sd_varlink_set_allow_fd_passing_output(vl, true);
if (r < 0)
return log_error_errno(r, "Failed to allow passing file descriptor through varlink: %m");
r = varlink_call_and_log(vl, "io.systemd.Network.GetNamespaceId", /* parameters= */ NULL, &reply);
if (r < 0)
return r;
static const sd_json_dispatch_field dispatch_table[] = {
{ "NamespaceId", SD_JSON_VARIANT_UNSIGNED, sd_json_dispatch_uint64, 0, SD_JSON_MANDATORY },
{},
};
r = sd_json_dispatch(reply, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &id);
if (r < 0)
return r;
if (id == 0)
log_debug("systemd-networkd.service not running in a network namespace (?), skipping netns check.");
else {
struct stat st;
if (stat("/proc/self/ns/net", &st) < 0)
return log_error_errno(errno, "Failed to determine our own network namespace ID: %m");
if (id != st.st_ino)
return log_error_errno(SYNTHETIC_ERRNO(EREMOTE),
"networkctl must be invoked in same network namespace as systemd-networkd.service.");
}
if (ret_varlink)
*ret_varlink = TAKE_PTR(vl);
return 0;
}
bool networkd_is_running(void) {
static int cached = -1;
int r;
if (cached < 0) {
r = access("/run/systemd/netif/state", F_OK);
if (r < 0) {
if (errno != ENOENT)
log_debug_errno(errno,
"Failed to determine whether networkd is running, assuming it's not: %m");
cached = false;
} else
cached = true;
}
return cached;
}
int acquire_bus(sd_bus **ret) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
assert(ret);
r = sd_bus_open_system(&bus);
if (r < 0)
return log_error_errno(r, "Failed to connect to system bus: %m");
(void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
if (networkd_is_running()) {
r = varlink_connect_networkd(/* ret_varlink = */ NULL);
if (r < 0)
return r;
} else
log_warning("systemd-networkd is not running, output might be incomplete.");
*ret = TAKE_PTR(bus);
return 0;
}
int link_get_property(
sd_bus *bus,
int ifindex,
sd_bus_error *error,
sd_bus_message **reply,
const char *iface,
const char *propname,
const char *type) {
_cleanup_free_ char *path = NULL;
char ifindex_str[DECIMAL_STR_MAX(int)];
int r;
assert(bus);
assert(ifindex >= 0);
assert(error);
assert(reply);
assert(iface);
assert(propname);
assert(type);
xsprintf(ifindex_str, "%i", ifindex);
r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex_str, &path);
if (r < 0)
return r;
return sd_bus_get_property(bus, "org.freedesktop.network1", path, iface, propname, error, reply, type);
}
void operational_state_to_color(const char *name, const char *state, const char **on, const char **off) {
if (STRPTR_IN_SET(state, "routable", "enslaved") ||
(streq_ptr(name, "lo") && streq_ptr(state, "carrier"))) {
if (on)
*on = ansi_highlight_green();
if (off)
*off = ansi_normal();
} else if (streq_ptr(state, "degraded")) {
if (on)
*on = ansi_highlight_yellow();
if (off)
*off = ansi_normal();
} else {
if (on)
*on = "";
if (off)
*off = "";
}
}
void setup_state_to_color(const char *state, const char **on, const char **off) {
if (streq_ptr(state, "configured")) {
if (on)
*on = ansi_highlight_green();
if (off)
*off = ansi_normal();
} else if (streq_ptr(state, "configuring")) {
if (on)
*on = ansi_highlight_yellow();
if (off)
*off = ansi_normal();
} else if (STRPTR_IN_SET(state, "failed", "linger")) {
if (on)
*on = ansi_highlight_red();
if (off)
*off = ansi_normal();
} else {
if (on)
*on = "";
if (off)
*off = "";
}
}
void online_state_to_color(const char *state, const char **on, const char **off) {
if (streq_ptr(state, "online")) {
if (on)
*on = ansi_highlight_green();
if (off)
*off = ansi_normal();
} else if (streq_ptr(state, "partial")) {
if (on)
*on = ansi_highlight_yellow();
if (off)
*off = ansi_normal();
} else {
if (on)
*on = "";
if (off)
*off = "";
}
}

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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include "sd-bus.h"
#include "sd-varlink.h"
int varlink_connect_networkd(sd_varlink **ret_varlink);
bool networkd_is_running(void);
int acquire_bus(sd_bus **ret);
int link_get_property(
sd_bus *bus,
int ifindex,
sd_bus_error *error,
sd_bus_message **reply,
const char *iface,
const char *propname,
const char *type);
void operational_state_to_color(const char *name, const char *state, const char **on, const char **off);
void setup_state_to_color(const char *state, const char **on, const char **off);
void online_state_to_color(const char *state, const char **on, const char **off);

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@ -3,8 +3,6 @@
#include <stdbool.h>
#include "sd-bus.h"
#include "output-mode.h"
#include "pager.h"
@ -20,6 +18,3 @@ extern unsigned arg_lines;
extern char *arg_drop_in;
extern sd_json_format_flags_t arg_json_format_flags;
extern bool arg_ask_password;
bool networkd_is_running(void);
int acquire_bus(sd_bus **ret);